TW412631B - Method, apparatus and instrument for measuring the thickness of a coated material or a coated pipe - Google Patents

Method, apparatus and instrument for measuring the thickness of a coated material or a coated pipe Download PDF

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Publication number
TW412631B
TW412631B TW088103282A TW88103282A TW412631B TW 412631 B TW412631 B TW 412631B TW 088103282 A TW088103282 A TW 088103282A TW 88103282 A TW88103282 A TW 88103282A TW 412631 B TW412631 B TW 412631B
Authority
TW
Taiwan
Prior art keywords
thickness
pipe
coated
value
measured
Prior art date
Application number
TW088103282A
Other languages
English (en)
Chinese (zh)
Inventor
Thomas J Carodiskey
Original Assignee
Emerson Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emerson Electric Co filed Critical Emerson Electric Co
Application granted granted Critical
Publication of TW412631B publication Critical patent/TW412631B/zh

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G01B17/025—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness for measuring thickness of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
TW088103282A 1998-05-12 1999-03-04 Method, apparatus and instrument for measuring the thickness of a coated material or a coated pipe TW412631B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/076,612 US6035717A (en) 1998-05-12 1998-05-12 Method and apparatus for measuring the thickness of a coated material

Publications (1)

Publication Number Publication Date
TW412631B true TW412631B (en) 2000-11-21

Family

ID=22133136

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088103282A TW412631B (en) 1998-05-12 1999-03-04 Method, apparatus and instrument for measuring the thickness of a coated material or a coated pipe

Country Status (8)

Country Link
US (1) US6035717A (fr)
EP (1) EP0957337B1 (fr)
JP (1) JP3638812B2 (fr)
CN (1) CN1167938C (fr)
CA (1) CA2246075C (fr)
DE (1) DE69939633D1 (fr)
HK (1) HK1023398A1 (fr)
TW (1) TW412631B (fr)

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Also Published As

Publication number Publication date
DE69939633D1 (de) 2008-11-13
CA2246075A1 (fr) 1999-11-12
CN1235270A (zh) 1999-11-17
EP0957337A2 (fr) 1999-11-17
EP0957337A3 (fr) 2001-04-25
EP0957337B1 (fr) 2008-10-01
CN1167938C (zh) 2004-09-22
US6035717A (en) 2000-03-14
JP3638812B2 (ja) 2005-04-13
CA2246075C (fr) 2004-08-17
HK1023398A1 (en) 2000-09-08
JPH11325868A (ja) 1999-11-26

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